Base | Representation |
---|---|
bin | 10110101110111… |
… | …110111010111110 |
3 | 222120200220011021 |
4 | 112232332322332 |
5 | 1240120240402 |
6 | 101503014354 |
7 | 12310655245 |
oct | 2656767276 |
9 | 876626137 |
10 | 381415102 |
11 | 1863318a2 |
12 | a789a3ba |
13 | 61035313 |
14 | 3892795c |
15 | 23741d37 |
hex | 16bbeebe |
381415102 has 8 divisors (see below), whose sum is σ = 572596416. Its totient is φ = 190549632.
The previous prime is 381415093. The next prime is 381415109. The reversal of 381415102 is 201514183.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (381415109) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75918 + ... + 80785.
It is an arithmetic number, because the mean of its divisors is an integer number (71574552).
Almost surely, 2381415102 is an apocalyptic number.
381415102 is a deficient number, since it is larger than the sum of its proper divisors (191181314).
381415102 is a wasteful number, since it uses less digits than its factorization.
381415102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 157922.
The product of its (nonzero) digits is 960, while the sum is 25.
The square root of 381415102 is about 19529.8515611358. The cubic root of 381415102 is about 725.2136362884.
Adding to 381415102 its reverse (201514183), we get a palindrome (582929285).
The spelling of 381415102 in words is "three hundred eighty-one million, four hundred fifteen thousand, one hundred two".
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